[#absl-AllowEmpty]
= xref:absl.adoc[absl]::AllowEmpty
:relfileprefix: ../
:mrdocs:

Always returns `true`, indicating that all strings‐‐including empty strings‐‐should be included in the split output.

== Synopsis

Declared in `<absl/strings/str_split.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct AllowEmpty;
----

== Description

This predicate is not strictly needed because this is the default behavior of `StrSplit()`; however, it might be useful at some call sites to make the intent explicit.

Example:

std::vector<std::string> v = absl::StrSplit(" a , ,,b,", ',', AllowEmpty());

// v[0]== " a ", v[1]== " ", v[2]== "", v[3]= "b", v[4]== ""

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:absl/AllowEmpty/operator_call.adoc[`operator()`] 
| Returns `true` for any substring, including empty ones.
|===



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